Find a Service Center
Marathon Electric Motors
444THFN8384
100 Hp 60 Hz 1200 rpm Totally Enclosed Fan Cooled Three Phase Encoder Motor
Item #113091932
- 100 HP - Three Phase
- 60 Hz - 444TC Frame
- 230/460 V
- 1190 rpm
features
- MAX GUARD® Class H insulation system
- Constant torque operation from 0 to base speed on vector drive, including TEFC (On Volts/Hertz drives, TEFC motors are limited to 20:1 constant torque
- Constant HP operation to twice base speed (143-256 frame)
- 1.5 times base (all others)
- Optimized for operation with IGBT inverter (NEMA Design A)
- Separate power supply required for blower motor
- Normally closed thermostats (one per phase, class F)
- Continuous duty at 40°C ambient
- Blue Chip quality, cast iron frame and brackets
- Patented “fracket” design (TEBC enclosure), Roller Bearing
- Separate 230/460 volt power supply required for 1 HP blower motor
| No. of Poles | 6 |
| Insulation Class | H |
| Rotation | Reversible |
| Assembly/Box Mounting | F1/F2 CAPABLE |
| Mounting Type | Rigid Base |
| DE Bearing Type | Ball |
| IP Rating | IP43 |
| Power Factor | 79 |
| Efficiency | 94.5 |
| Voltage | 230/460 V |
| Shaft Diameter | 3.375 in |
| Electrical Type | Squirrel Cage Inverter Duty |
| ODE Bearing Size | 6316 |
| DE Bearing Size | 6318 |
| Shaft Type | T |
| Starting Type | Inverter Only |
| Frame | 444TC |
| No. of Speeds | 1 |
| Ambient Temperature Range [Max] | 104 °F |
| Overload Protector | Thermostat |
| Frame Material | Cast Iron |
| NEMA Design | INV |
| Resistance Main | 4.4999999999999998E-2 |
| Duty | Continuous |
| Motor Orientation | Horizontal |
| Amps | 250/125 |
| Speed [Max] | 1190 rpm |
| HP | 100 |
| Service Factor | 1 |
| No. of Phases | Three |
| KVA Code | H |
| Hz | 60 |
| Shaft Extension | 8.25 in |
| Enclosure | TEBC - Axial |
| Frame Length | 2.25 in |
| Standard | CE, CSA, UL Recognized |
| ODE Bearing Type | Ball |
| Weight | 2150.0 LB |
| EAN or UPC | 722856025531 |
